public double Add(double a, double b)
{
if (double.IsNaN(a) || double.IsNaN(b))
{
MathFault fault = new MathFault()
{
Operation = "Add",
ProblemType = "NaN value passed. Parameters must be double."
};
throw new FaultException <MathFault>(fault);
}
try
{
return(a + b);
}
catch (OverflowException)
{
MathFault fault = new MathFault()
{
Operation = "Add",
ProblemType = "Type overflow."
};
throw new FaultException <MathFault>(fault);
}
}
public double Sqrt(double a)
{
if (double.IsNaN(a))
{
MathFault fault = new MathFault()
{
Operation = "Sqrt",
ProblemType = "NaN value passed. Parameter must be non-negative double."
};
throw new FaultException <MathFault>(fault);
}
if (double.IsPositiveInfinity(a))
{
MathFault fault = new MathFault()
{
Operation = "Sqrt",
ProblemType = "Infinity passed. Parameter must be non-negative double."
};
throw new FaultException <MathFault>(fault);
}
if (a < 0)
{
MathFault fault = new MathFault()
{
Operation = "Sqrt",
ProblemType = "Negative value passed. Parameter must be non-negative double."
};
throw new FaultException <MathFault>(fault);
}
return(Math.Sqrt(a));
}
public double Divide(double a, double b)
{
if (double.IsNaN(a) || double.IsNaN(b))
{
MathFault fault = new MathFault()
{
Operation = "Multiply",
ProblemType = "NaN value passed. Parameters must be double."
};
throw new FaultException <MathFault>(fault);
}
if (b == 0)
{
MathFault fault = new MathFault()
{
Operation = "Divide",
ProblemType = "Cannot divide by zero."
};
throw new FaultException <MathFault>(fault);
}
return(a / b);
}